Re: [PATCH RFC 00/19] mm/gup: remove FOLL_FORCE usage from drivers (reliable R/O long-term pinning)

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On Mon, Nov 7, 2022 at 8:18 AM David Hildenbrand <david@xxxxxxxxxx> wrote:
>
> So instead, make R/O long-term pinning work as expected, by breaking COW
> in a COW mapping early, such that we can remove any FOLL_FORCE usage from
> drivers.

Nothing makes me unhappy from a quick scan through these patches.

And I'd really love to just have this long saga ended, and FOLL_FORCE
finally relegated to purely ptrace accesses.

So an enthusiastic Ack from me.

                   Linus



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